https://www.gainplus.com.tw/ 我们不仅销售产品更提供技术支援服务。随著数位通讯技术不断精进，工程师的压力及负担亦愈加沉重，由於累积了国内外厂商之经验及汲取最新之通讯技术及认证法规，皓翔通讯可协助您选择适合的测试设备，期与客户共同成长。 cn 智邦生活馆 版权所有 Foresight v0.3.2 RSS 2.0 Generator 智邦生活馆 网站代管 Mon, 13 Apr 2026 13:54:54 CST Mon, 13 Apr 2026 13:54:54 CST 智邦生活馆 版权所有 10080 323303 Tue, 13 Aug 2019 18:58:57 +0800 The Tallysman Helical Antenna Family delivers ultralight performance at centimeter-level accuracy.The HC871 provides precision dual-frequency positioning, supporting coverage for GPS L1/L2, GLONASS G1/G2, Galileo E1, and BeiDou B1. With a precision-tuned helix element, the lightweight HC871 offers excellent axial ratio, and does not require a ground plane to perform.As with all Tallysman Helical antennas, the HC871 has an integrated pre-filter to support immunity to high-amplitude signal interference, such as LTE and other cellular signals.Very low Noise Preamp, 2.5dBLightweight (30g)Axial ratio: 2dbIdeal for L1/L2 RTK surveying systemsLNA Gain 27 dB typGreat multipath rejectionLow current: 12 mA typIncreased system accuracyESD circuit protection: 15 KVExcellent signal to noise ratioInvariant performance from: +2.5 to 16VDCIP67, REACH, and RoHS compliant https://www.tallysman.com/index.php/gnss/products/antennas-l1l2-g1g2/hc871/ https://www.tallysman.com/index.php/gnss/products/antennas-l1l2-g1g2/hc871/ https://www.gainplus.com.tw/hot_323303-cn.html